Herpesvirus infection following allogenic hematopoietic stem cell transplantation with TCRαβ and CD19 depletion: risk factors and outcome

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Abstract

In this study we evaluated incidence and risk factors of Herpesvirus infections – Cytomegalovirus (CMV) и Epstein–Barr (EBV) – in recipients of allogenic hematopoietic stem cell transplantation (alloHSCT) with TCRαβ and CD19 depletion of graft. The usage of this method results to graft preservation of non-alloreactive TCRgd lymphocytes, leading to decresed risks of graft versus host disease (GVHD) with adequate antiviral control. We estimated the outcomes of 182 HSCT from haploidentical and unrelated donors in patients younger than 23 years old with malignant anf nonmalignant disoders. The cumulative incidence (Cum Inc) of CMV infection was 51% (95% CI 44–60). By uni- and multivariate analyzes was found the significant influence on CMV-viremia of acute GVHD grade 2–4, recipient’s seropositivity before HSCT and patient’s malignant disoder. Cum Inc of EBV infection was 33% (95% CI 26–42). The risk factor of EBV viremia was acute GVHD grade 2–4. The incidence of CMV-disease was 6% (11 patients), EBV-related posttransplant lymphoproliferative disoder (PTLD) 0,5% (1 patient). CMV and EBV viremia did not decrease survival after HSCT. 
TCRαβ and CD19 depletion of graft was associated with significant risk of CMV viremia in patients after alloHSCT, but did not influence survival and transplant related mortality, and with extremely low risk of PTLD development.

About the authors

A. A. Bogoyavlenskaya

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Author for correspondence.
Email: analecs@gmail.com

MD, hematologist, Department of hematopoietic stem cell Transfusion

Russia 117997, Moscow, Samory Mashela st., 1

Tel.: +7 (495) 287-6570, ext. 7537

Russian Federation

A. L. Laberko

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

L. N. Shelikhova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

Z. B. Shekhovtsova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

D. N. Balashov

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

K. A. Voronin

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

E. E. Kurnikova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

E. V. Boyakova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

E. V. Raykina

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

V. V. Brilliantova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

R. P. Pirumova

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

M. A. Maschan

National Reseach Practicle Center of Pediatric,
Oncology, and Immunology named after Dmitry Rogachev

Russian Federation

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Copyright (c) 2017 Bogoyavlenskaya A.A., Laberko A.L., Shelikhova L.N., Shekhovtsova Z.B., Balashov D.N., Voronin K.A., Kurnikova E.E., Boyakova E.V., Raykina E.V., Brilliantova V.V., Pirumova R.P., Maschan M.A.

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